tavis: hi, i'm tavis smiley. join me next time for a conversation with -- a look at the final weeks of this campaign. that is next time. we will see you then. >> there is a saying that dr. king had that said there is always the right time to do the right thing. i try to live my life every day by doing the right thing. we know that we are only halfway to completely eliminating hunger and we have work to do. walmart committed $2 billion to fighting hunger in the u.s. as we work together, we can stamp hunger out. >> and by contributions to your pbs station from viewers like you. thank you. >> be more. pbs. [dramatic music]